FA5546 Datasheet, PDF (9/27 Pages) Fuji Electric – Switching Power Supply Control IC

FA5546/47
High-voltage input section (VH pin、VCC pin)
Item
Input Current of VH pin
Threshold voltage level at
brown-out (VH pin)
Threshold voltage level at
Brown-in (VH pin)
Symbol
IHrun
IHstb
VthBO
VthBI
Conditions
VH=450V,
VCC > VCCon
VH =120V,
VCC =0V
VH pin：
Decreasing
VH pin：
Increasing
Brown-out Delay time
TpdBO
VCC voltage at Brown‐out
VCC voltage at Latch
Charge current for VCC pin
VCCBH
VCCBL
VCCLH
H
VCCLH
VCCLL
Ipre1
Ipre2
VH=80V,
Upper level
VH=80V,
Lower level
VH =120V,
1 time clamp
VH=120V,
Upper level
VH =120V,
Lower level
VCC =16V,
VH =120V
VCC =11V,
VH =120V
at Latch
Power supply current (VCC pin)
Item
Symbol
Operating-state
supply current
ICCop1
ICCop2
Supply current at Brownout ICCbo
Latch mode supply current
VCC pin zenner clamp
voltage
ICClat
VCCzd
Conditions
Duty cycle=Dmax
VFB=2V,OUT=No
Load
Duty cycle=0%
VFB=0V
VH=80V,
FB=open
VCC=14.5V
FB=open,
VCC=11V
OUT：No Load
Icc=2mA
*1:This parameter is not 100% tested in production but guaranteed by design.
It doesn’t guarantee the column of ‘-’ to have been specified.
MIN TYP MAX Unit
90
130
170
uA
3.5
6.2
9.0
mA
92
99
106
V
97
104
111
V
45
50
55
ms
17
18
19
V
14.5 15.5 16.5
V
13
14.5
16
V
12
13
14
V
11
12
13
V
-8
-4.9
-2
mA
-8.2
-5.3
-2.8
mA
MIN TYP MAX Unit
1.0
1.3
1.6
mA
0.95 1.25 1.55
mA
600
800 1100
uA
600
800 1100
uA
28
30
34
V
Fuji Electric Co., Ltd.
AN-027E Rev.0.4
April -2011
9
http://www.fujielectric.co.jp/products/semiconductor/